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Product Details:
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| Product Name: | U Fin Tube | Material: | A/SA668/213 TP304LN |
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| Connection: | Welded | Place Of Origin:: | Shanghai, China |
| Thickness: | 3 Mm | Section Shap: | Round/Square/rectangular |
| Outer Diameter(Round): | 1/2"-3" | Ends: | Plain Or Beveled Ends |
| High Light: | u shaped metal pipe,u shaped exhaust pipe |
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Thickness 3mm ASME A/SA668/213 Welded U-bent Tubes TP304LN For Feed Water Heater
U Bend Tube are manufactured in our plant as per the customer requirements. Solution annealing after bend will be process to lower the risidual stress, and followed by hydrostatic testing and dye penetrant testing if required.
Stainless Steel Tubes Size for Heat Exchanger
Stainless Steel Tubes Size for Heat Exchanger
| Inches | Decimal | Millimeters |
| 1/16″ | .0625 | 1.59 mm |
| 1/8″ | .1250 | 3.18 mm |
| 3/16″ | .1875 | 4.76 mm |
| 1/4″ | .2500 | 6.35 mm |
| 5/16″ | .3125 | 7.94 mm |
| 3/8″ | .3750 | 9.53 mm |
| 7/16″ | .4375 | 11.11 mm |
| 1/2″ | .5000 | 12.70 mm |
| 9/16″ | .5625 | 14.29 mm |
| 5/8″ | .6250 | 15.88 mm |
| 11/16″ | .6875 | 17.46 mm |
| 3/4″ | .7500 | 19.05 mm |
| 13/16″ | .8125 | 20.64 mm |
| 7/8″ | .8750 | 22.23 mm |
| 15/16″ | .9375 | 23.81 mm |
| 1″ | 1.00 | 25.40 mm |
| 1 1/4″ | 1.25 | 31.75 mm |
| 1 1/2″ | 1.50 | 38.10 mm |
| 2″ | 2.00 | 50.80 mm |
Dimensional tolerances U Bend Tube acc. to TEMA R.C.B.
1) U Bend Pipe Length of straight part -0/+5 mm
Flattening (also called “ovality”) at the bend shall not exceed 10% of the nominal tube outside diameter.
Wall thickness in bending part acc. to TEMA R.C.B 2.31
2) U Bend Tube Minimum tube wall thickness in the bend part (T min)T(min) ≥ (SW × (2×R + D))/( 2× (R+D)
where: SW is smallest wall thickness
D Nominal outside diameter
R radius
3) U Bend Tube Radius tolerance
1) for R 100 mm +/- 3 mm
2) for R ≥ 100 mm +/- 5 mm
4). U bend Pipe Straightness tolerance max. 1,5 mm per 1 m
U Bend Tube ends: plain, vertically cut to the tube axis
U Bend Tube OD in mm can be bent upon agreement: 15.8 16.0 17.0 18.0 19.05 20.0 21.3 25.4 26.7 31.8 32.0 38.1mm
U bend Tube Initial Length
Maximum lengths of 27000mm can be supplied on request
U bend Pipe Bending radius
Minimum: 1.5×OD
Maximum: 1500 mm
Quick Details
| Standard: | ASTM/ASME A/SA213 ASTM/ASME A/SA249 ASTM/ASME A/SA789 |
| Thickness | 0.5-5.16mm 0.02"-0.203" |
| Section Shap | Round/Square/rectangular |
| Place of Origin: | Shanghai, China (Mainland) |
| Application: | for Heat Exchanger Structure Pipe |
| Technique: | Hot Rolled Cold Drawn |
| Surface Treatment: | Galvanized Galvanized or as requested |
| Alloy Or Not | Non-alloy |
| Brand name | TOBO |
| Secondary Or Not | Non-secondary |
| Length | random,range fixed or fixed length |
| Ends | Plain or beveled ends |
| Usage | Thermal Power Plant,heating plant |
| Section Shape: | Round |
| Outer Diameter(Round) | 12.7-76.2mm (1/2"-3") 12.7-25.4mm (1/2"-1") |
Stainless Steel ubend :
ASTM A403 WP Gr. 304, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L, 316TI, 316H, 304L
Carbon Steel ubend
ASTM A 234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70.
Low Temperature Carbon Steel
ASTM A420 WPL3 / A420WPL6
Alloy Steel ubend
ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91
Duplex Steel ubend
ASTM A 815 UNS NO S 31803, S 32205, S 32760, S 32750
Copper Nickel
C70600(90:10), C71500(70:30), C71640.
Packing and Shipping
Package:Standard export carton packing.
Delivery time:stock 7-10 workign days after confirming order,detail delivery date should be decided according to
production season and order quantity.
Contact Person: Andrew
